Atom Vocab
Terms
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- Law of Conservation of Mass
- The number of each kind of atoms on the reactant side must equal the number of each type of atoms on the product side.
- Isotopes
- Two or more atoms of the same element that have the same atomic number but different mass numbers.
- Mass Number
- The sum of protons and Neutrons in the Nucleus
- Atomic Number
- Th number of protons (which is equal to the number of electrons in an un charged element) in a guven element.
- Atomic Mass
- The average mass of all the isotopes of an element.
- Ion
- An atom or group of atoms that has acquired a net electric charge by gaining or losing one or more electrons.
- Daltons Atomic Theory
- 1.Everything is made up of atoms 2.Atoms of the same element are identical (FALSE) 3. Atoms cant be broken down or destroyed (FALSE) 4. Atoms combine in simple whole number ratios to form chemical compounds. 5. A chemical reaction is the combining,seperation or rearrangement of atoms
- Crookes
- Discovered Cathode Rays
- Thomson
- Discovered the Electron
- Rutherford
- Gold Foil Expiriment
- Molar Road Map
- grams-moles-atoms/molecules
- moles-atoms
- 1 mole = 6.02 x 10^23 atoms